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Recycling range

Specialist highway maintenance contractor Ringway Highway Services has expanded its range of road repair techniques to include cold insitu recycling, an alternative to full reconstruction.

The process involves pulverising the damaged pavement to a depth of up to 500mm and mixing in specific quantities of lime, cement, bitumen emulsion or foamed bitumen. The revitalised and strengthened mix is then rolled, re-profiled, re-rolled and then overlain with an appropriate final surface before being opened to traffic.

Ringway is using the latest Wirtgen WR2500 recycler to spearhead this expansion in its services. A feature of this unit is its ability to store all data in the onboard computer for future interrogation or to supply a print-out to the client.

The Wirtgen recycler is supported by an advanced design of cement spreader and foamed bitumen testing rig, the only one of its kind in the UK. This allows the production of samples which allow the foaming characteristics of bitumen and the stiffness of different trial mixes to be measured and tested under controlled laboratory conditions.

Tel: (0118) 989 0680

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